Definition

Noun: * A taxonomic classification: "Genus Fissurella" is the type genus of the marine mollusk family Fissurellidae. It comprises a group of species commonly known as keyhole limpets.

Usage Notes

• "Genus Fissurella" is a scientific, taxonomic term used primarily in biology, zoology, and malacology (the study of mollusks).
• It is always capitalized as it is a proper noun referring to a specific genus name.
• In formal writing, the genus name is often italicized: .

Examples

• Scientific Context:
  • The specimen was definitively classified under Genus Fissurella due to the distinct apical keyhole in its shell.
  • Genus Fissurella is characterized by a conical shell with a hole at the apex.
  • Researchers are studying the feeding habits of several species within Genus Fissurella.

Advanced Usage

• Taxonomic Hierarchy: The term is used to specify an organism's placement in biological classification: Kingdom > Phylum > Class > Order > Family > Genus > Species.
  • Example: The keyhole limpet, Fissurella barbadensis, belongs to the family Fissurellidae and the Genus Fissurella.

Variants and Related Words

• Fissurella (n): The abbreviated, italicized form commonly used as the genus name in binomial nomenclature (e.g., ).
• Fissurellidae (n): The family to which this genus belongs.
• keyhole limpet (n): The common name for mollusks in this genus, derived from the characteristic opening at the top of their shell.

Synonyms

• Type genus of Fissurellidae: This is a descriptive synonym specifying its taxonomic role.

Different Meanings

• This term has a single, specific meaning in scientific taxonomy. It does not have general English language definitions outside of biology.

Noun

1. type genus of the family Fissurellidae: keyhole limpets